export const uuid = ():string => {
  const s = [];
  const hexDigits = "0123456789abcdef";
  for (var i = 0; i < 36; i++) {
    s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
  }
  s[14] = "4";
  s[8] = s[13] = s[18] = s[23] = "-";
  const uuid = s.join("");
  return uuid;
};
